18'' B-Vent Round Gas Vent Pipe

18" Round Type B Gas Vent

Dura-Vent's Type B Gas Vent is for use with natural gas or liquid propane category I and draft hood equipped appliance, and appliances tested and listed to use Type B Gas Vent. DuraVent Type-B gas vent pipe offers an innovative chimney venting solution that features a lock-tight connection and has been engineered to heat up rapidly and remain hot during operation with minimal condensation.